The hype train has left the station for Avengers: Doomsday, and it’s chugging at full speed. With less than a year to go before the Marvel Cinematic Universe event movie is released, fans are examining every detail of the newly released teaser trailers while also picking up on every rumor that makes its way online. […] The post Avengers: Doomsday Rumor Sets an Unexpected Avenger vs X-Men Battle 25 Years in the Making appeared first on ComicBook.com .